[INFO] fetching crate futures-lite 2.1.0...
[INFO] checking futures-lite-2.1.0 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960
[INFO] extracting crate futures-lite 2.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate futures-lite 2.1.0 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-lite 2.1.0
[INFO] finished tweaking crates.io crate futures-lite 2.1.0
[INFO] tweaked toml for crates.io crate futures-lite 2.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin_on v0.1.1
[INFO] [stderr]   Downloaded fastrand v2.0.2
[INFO] [stderr]   Downloaded pin-project-lite v0.2.13
[INFO] [stderr]   Downloaded futures-core v0.3.30
[INFO] [stderr]   Downloaded futures-io v0.3.30
[INFO] [stderr]   Downloaded parking v2.2.0
[INFO] [stderr]   Downloaded waker-fn v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70cece4e2ab9cee2fcfc67b2920a1f73423197628bad62a49477661310d87142
[INFO] running `Command { std: "docker" "start" "-a" "70cece4e2ab9cee2fcfc67b2920a1f73423197628bad62a49477661310d87142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70cece4e2ab9cee2fcfc67b2920a1f73423197628bad62a49477661310d87142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70cece4e2ab9cee2fcfc67b2920a1f73423197628bad62a49477661310d87142", kill_on_drop: false }`
[INFO] [stdout] 70cece4e2ab9cee2fcfc67b2920a1f73423197628bad62a49477661310d87142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a9303b5db1880f8b2fa8b065a419d47ebc24b9d226d6267792ca89e71cafc97
[INFO] running `Command { std: "docker" "start" "-a" "5a9303b5db1880f8b2fa8b065a419d47ebc24b9d226d6267792ca89e71cafc97", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking spin_on v0.1.1
[INFO] [stderr]     Checking futures-lite v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]   --> src/future.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | use alloc::boxed::Box;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Box` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]   --> src/stream.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use alloc::boxed::Box;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Box` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]   --> src/future.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | use alloc::boxed::Box;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Box` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]   --> src/stream.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use alloc::boxed::Box;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Box` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "5a9303b5db1880f8b2fa8b065a419d47ebc24b9d226d6267792ca89e71cafc97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a9303b5db1880f8b2fa8b065a419d47ebc24b9d226d6267792ca89e71cafc97", kill_on_drop: false }`
[INFO] [stdout] 5a9303b5db1880f8b2fa8b065a419d47ebc24b9d226d6267792ca89e71cafc97
[INFO] checking futures-lite-2.1.0 against try#8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde for pr-122960
[INFO] extracting crate futures-lite 2.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate futures-lite 2.1.0 on toolchain 8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-lite 2.1.0
[INFO] finished tweaking crates.io crate futures-lite 2.1.0
[INFO] tweaked toml for crates.io crate futures-lite 2.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf597377d0e670c262378cd77218b9a0e09b46b9eaaae49537ca1eb0388347f3
[INFO] running `Command { std: "docker" "start" "-a" "cf597377d0e670c262378cd77218b9a0e09b46b9eaaae49537ca1eb0388347f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf597377d0e670c262378cd77218b9a0e09b46b9eaaae49537ca1eb0388347f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf597377d0e670c262378cd77218b9a0e09b46b9eaaae49537ca1eb0388347f3", kill_on_drop: false }`
[INFO] [stdout] cf597377d0e670c262378cd77218b9a0e09b46b9eaaae49537ca1eb0388347f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d245dedbacb4ba491a8219cbfeabc904d42d1ef0207b74b67d3895b24096c2dd
[INFO] running `Command { std: "docker" "start" "-a" "d245dedbacb4ba491a8219cbfeabc904d42d1ef0207b74b67d3895b24096c2dd", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "d245dedbacb4ba491a8219cbfeabc904d42d1ef0207b74b67d3895b24096c2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d245dedbacb4ba491a8219cbfeabc904d42d1ef0207b74b67d3895b24096c2dd", kill_on_drop: false }`
[INFO] [stdout] d245dedbacb4ba491a8219cbfeabc904d42d1ef0207b74b67d3895b24096c2dd